"""chat messages 3

Revision ID: 9c8b222089a4
Revises: 46af1902cd81
Create Date: 2021-11-10 17:44:05.950214

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision = '9c8b222089a4'
down_revision = '46af1902cd81'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('cmf_chat_message', sa.Column('cmf_import_id', sa.String(length=64), nullable=True))
    # ### end Alembic commands ###


def downgrade():
    op.drop_column('cmf_chat_message', 'cmf_import_id')
    # ### end Alembic commands ###